Search a number
-
+
9744145 = 517295967
BaseRepresentation
bin100101001010…
…111100010001
3200100001110021
4211022330101
54443303040
6544503441
7145552405
oct45127421
920301407
109744145
115555a14
12331ab81
132032288
141419105
15cc724a
hex94af11

9744145 has 32 divisors (see below), whose sum is σ = 13219200. Its totient is φ = 6859776.

The previous prime is 9744143. The next prime is 9744149. The reversal of 9744145 is 5414479.

9744145 = 1412 + 1422 + ... + 3172.

It is not a de Polignac number, because 9744145 - 21 = 9744143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9744145.

It is not an unprimeable number, because it can be changed into a prime (9744143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145402 + ... + 145468.

It is an arithmetic number, because the mean of its divisors is an integer number (413100).

Almost surely, 29744145 is an apocalyptic number.

It is an amenable number.

9744145 is a deficient number, since it is larger than the sum of its proper divisors (3475055).

9744145 is a wasteful number, since it uses less digits than its factorization.

9744145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177.

The product of its digits is 20160, while the sum is 34.

The square root of 9744145 is about 3121.5613080636. The cubic root of 9744145 is about 213.5901624168.

It can be divided in two parts, 9744 and 145, that added together give a palindrome (9889).

The spelling of 9744145 in words is "nine million, seven hundred forty-four thousand, one hundred forty-five".

Divisors: 1 5 17 29 59 67 85 145 295 335 493 1003 1139 1711 1943 2465 3953 5015 5695 8555 9715 19765 29087 33031 67201 114637 145435 165155 336005 573185 1948829 9744145